Urban–Rural Disparities in the Association Between Body Mass Index and Cognitive Impairment in Older Adults: A Cross–Sectional Study in Central China

Some studies have demonstrated an association between low and high body mass index (BMI) and an increased risk of dementia. However, only a few of these studies were performed in rural areas.This cross-sectional study investigated the associations between BMI and cognitive impairment among community-dwelling older adults from rural and urban areas.8,221 older persons enrolled in the Hubei Memory & Ageing Cohort Study (HMACS) were recruited....